KeyCloak Microsoft SQL server connection error "KIX path building failed Exception"

I’m trying to deploy Keycloak kubernetes with Microsoft SQL Server. My configs is as follows.
Error connecting to Keycloak database:

"The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer (SSL) encryption. Error: “PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target”.

Keycloak console logs:

Sep 18, 2022 11:23:09 AM org.keycloak.common.crypto.CryptoIntegration detectProvider
INFO: Detected crypto provider: org.keycloak.crypto.def.DefaultCryptoProvider
Added 'admin' to '/opt/jboss/keycloak/standalone/configuration/keycloak-add-user.json', restart server to load user
-b 0.0.0.0
=========================================================================
Using Microsoft SQL Server database
=========================================================================
11:23:14,952 INFO [org.jboss.modules] (CLI command executor) JBoss Modules version 2.0.2.Final
11:23:15,230 INFO [org.jboss.msc] (CLI command executor) JBoss MSC version 1.4.13.Final
11:23:15,275 INFO [org.jboss.threads] (CLI command executor) JBoss Threads version 2.4.0.Final
11:23:15,805 INFO [org.jboss.as] (MSC service thread 1-2) WFLYSRV0049: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) starting
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.wildfly.extension.elytron.SSLDefinitions (jar:file:/opt/jboss/keycloak/modules/system/layers/base/org/wildfly/extension/elytron/main/wildfly-elytron-integration-18.1.1.Final.jar!/) to method com.sun.net.ssl.internal.ssl.Provider.isFIPS()
WARNING: Please consider reporting this to the maintainers of org.wildfly.extension.elytron.SSLDefinitions
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
11:23:18,034 INFO [org.wildfly.security] (ServerService Thread Pool -- 19) ELY00001: WildFly Elytron version 1.19.0.Final
11:23:20,404 WARN [org.wildfly.extension.elytron] (MSC service thread 1-1) WFLYELY00023: KeyStore file '/opt/jboss/keycloak/standalone/configuration/application.keystore' does not exist. Used blank.
11:23:20,435 WARN [org.wildfly.extension.elytron] (MSC service thread 1-2) WFLYELY01084: KeyStore /opt/jboss/keycloak/standalone/configuration/application.keystore not found, it will be auto generated on first use with a self-signed certificate for host localhost
11:23:20,576 INFO [org.jboss.as.patching] (MSC service thread 1-1) WFLYPAT0050: Keycloak cumulative patch ID is: base, one-off patches include: none
11:23:20,871 INFO [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0212: Resuming server
11:23:20,888 INFO [org.jboss.as] (Controller Boot Thread) WFLYSRV0025: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) started in 5906ms - Started 49 of 72 services (24 services are lazy, passive or on-demand) - Server configuration file in use: standalone.xml
The batch executed successfully
11:23:21,583 INFO [org.jboss.as] (MSC service thread 1-2) WFLYSRV0050: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) stopped in 67ms
11:23:26,204 INFO [org.jboss.modules] (CLI command executor) JBoss Modules version 2.0.2.Final
11:23:26,443 INFO [org.jboss.msc] (CLI command executor) JBoss MSC version 1.4.13.Final
11:23:26,498 INFO [org.jboss.threads] (CLI command executor) JBoss Threads version 2.4.0.Final
11:23:26,810 INFO [org.jboss.as] (MSC service thread 1-2) WFLYSRV0049: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) starting
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.wildfly.extension.elytron.SSLDefinitions (jar:file:/opt/jboss/keycloak/modules/system/layers/base/org/wildfly/extension/elytron/main/wildfly-elytron-integration-18.1.1.Final.jar!/) to method com.sun.net.ssl.internal.ssl.Provider.isFIPS()
WARNING: Please consider reporting this to the maintainers of org.wildfly.extension.elytron.SSLDefinitions
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
11:23:28,911 INFO [org.wildfly.security] (ServerService Thread Pool -- 21) ELY00001: WildFly Elytron version 1.19.0.Final
11:23:31,398 WARN [org.wildfly.extension.elytron] (MSC service thread 1-2) WFLYELY00023: KeyStore file '/opt/jboss/keycloak/standalone/configuration/application.keystore' does not exist. Used blank.
11:23:31,440 WARN [org.wildfly.extension.elytron] (MSC service thread 1-1) WFLYELY01084: KeyStore /opt/jboss/keycloak/standalone/configuration/application.keystore not found, it will be auto generated on first use with a self-signed certificate for host localhost
11:23:31,640 INFO [org.jboss.as.patching] (MSC service thread 1-2) WFLYPAT0050: Keycloak cumulative patch ID is: base, one-off patches include: none
11:23:32,128 INFO [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0212: Resuming server
11:23:32,151 INFO [org.jboss.as] (Controller Boot Thread) WFLYSRV0025: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) started in 5924ms - Started 49 of 79 services (31 services are lazy, passive or on-demand) - Server configuration file in use: standalone-ha.xml
The batch executed successfully
11:23:32,816 INFO [org.jboss.as] (MSC service thread 1-1) WFLYSRV0050: Keycloak 19.0.2 (WildFly Core 18.1.1.Final) stopped in 50ms
=========================================================================
JBoss Bootstrap Environment
JBOSS_HOME: /opt/jboss/keycloak
JAVA: java
JAVA_OPTS: -server -Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true --add-exports=java.desktop/sun.awt=ALL-UNNAMED --add-exports=java.naming/com.sun.jndi.ldap=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.security=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.management/javax.management=ALL-UNNAMED --add-opens=java.naming/javax.naming=ALL-UNNAMED
=========================================================================

11:23:56,987 FATAL [org.keycloak.services] (ServerService Thread Pool -- 67) Error during startup: java.lang.RuntimeException: Failed to connect to database
at org.keycloak.keycloak-model-jpa@19.0.2//org.keycloak.connections.jpa.DefaultJpaConnectionProviderFactory.getConnection(DefaultJpaConnectionProviderFactory.java:420)
at org.keycloak.keycloak-model-jpa@19.0.2//org.keycloak.connections.jpa.updater.liquibase.lock.LiquibaseDBLockProvider.lazyInit(LiquibaseDBLockProvider.java:65)
at org.keycloak.keycloak-model-jpa@19.0.2//org.keycloak.connections.jpa.updater.liquibase.lock.LiquibaseDBLockProvider.lambda$waitForLock$2(LiquibaseDBLockProvider.java:96)
at org.keycloak.keycloak-server-spi-private@19.0.2//org.keycloak.models.utils.KeycloakModelUtils.suspendJtaTransaction(KeycloakModelUtils.java:751)
at org.keycloak.keycloak-model-jpa@19.0.2//org.keycloak.connections.jpa.updater.liquibase.lock.LiquibaseDBLockProvider.waitForLock(LiquibaseDBLockProvider.java:94)
at org.keycloak.keycloak-services@19.0.2//org.keycloak.services.resources.KeycloakApplication$1.run(KeycloakApplication.java:135)
at org.keycloak.keycloak-server-spi-private@19.0.2//org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:250)
at org.keycloak.keycloak-services@19.0.2//org.keycloak.services.resources.KeycloakApplication.startup(KeycloakApplication.java:129)
at org.keycloak.keycloak-wildfly-extensions@19.0.2//org.keycloak.provider.wildfly.WildflyPlatform.onStartup(WildflyPlatform.java:47)
at org.keycloak.keycloak-services@19.0.2//org.keycloak.services.resources.KeycloakApplication.<init>(KeycloakApplication.java:115)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ConstructorInjectorImpl.constructOutsideRequest(ConstructorInjectorImpl.java:225)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ConstructorInjectorImpl.construct(ConstructorInjectorImpl.java:209)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.providerfactory.Utils.createProviderInstance(Utils.java:102)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryImpl.createProviderInstance(ResteasyProviderFactoryImpl.java:1385)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ResteasyDeploymentImpl.createApplication(ResteasyDeploymentImpl.java:418)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ResteasyDeploymentImpl.initializeObjects(ResteasyDeploymentImpl.java:265)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ResteasyDeploymentImpl.startInternal(ResteasyDeploymentImpl.java:137)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.core.ResteasyDeploymentImpl.start(ResteasyDeploymentImpl.java:121)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.init(ServletContainerDispatcher.java:144)
at org.jboss.resteasy.resteasy-core@4.7.6.Final//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.init(HttpServletDispatcher.java:42)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
at org.wildfly.security.elytron-web.undertow-server-servlet@1.10.1.Final//org.wildfly.elytron.web.undertow.server.servlet.RunAsLifecycleInterceptor.doIt(RunAsLifecycleInterceptor.java:70)
at org.wildfly.security.elytron-web.undertow-server-servlet@1.10.1.Final//org.wildfly.elytron.web.undertow.server.servlet.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:76)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:309)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.ManagedServlet.createServlet(ManagedServlet.java:145)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:588)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:559)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
at io.undertow.servlet@2.2.17.Final//io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:601)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:106)
at org.wildfly.extension.undertow@26.1.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:87)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.jboss.threads@2.4.0.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.base/java.lang.Thread.run(Thread.java:829)
at org.jboss.threads@2.4.0.Final//org.jboss.threads.JBossThread.run(JBossThread.java:513)
Caused by: java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:jboss/datasources/KeycloakDS
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:159)
at org.jboss.as.connector@26.1.1.Final//org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:64)
at org.keycloak.keycloak-model-jpa@19.0.2//org.keycloak.connections.jpa.DefaultJpaConnectionProviderFactory.getConnection(DefaultJpaConnectionProviderFactory.java:414)
... 48 more
Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:jboss/datasources/KeycloakDS
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:690)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:440)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:789)
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:151)
... 50 more
Caused by: javax.resource.ResourceException: IJ031084: Unable to create connection
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createLocalManagedConnection(LocalManagedConnectionFactory.java:364)
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:371)
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:287)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.createConnectionEventListener(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:1328)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.getConnection(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:505)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.pool.AbstractPool.getSimpleConnection(AbstractPool.java:640)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.pool.AbstractPool.getConnection(AbstractPool.java:605)
at org.jboss.ironjacamar.impl@1.5.3.Final//org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:624)
... 53 more
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer (SSL) encryption. Error: "PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target". ClientConnectionId:4aa97aca-9504-4478-a76b-8a7338929e29
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:3680)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:2113)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:3204)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:2833)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:2671)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:1640)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:936)
at org.jboss.ironjacamar.jdbcadapters@1.5.3.Final//org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createLocalManagedConnection(LocalManagedConnectionFactory.java:335)
... 60 more
Caused by: javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:353)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:296)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:291)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:654)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.onCertificate(CertificateMessage.java:473)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.consume(CertificateMessage.java:369)
at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:392)
at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:443)
at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:421)
at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:183)
at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172)
at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1506)
at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1416)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:456)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:427)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:2021)
... 66 more
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:439)
at java.base/sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:306)
at java.base/sun.security.validator.Validator.validate(Validator.java:264)
at java.base/sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:313)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:233)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:110)
at com.microsoft.sqlserver.jdbc//com.microsoft.sqlserver.jdbc.TDSChannel$HostNameOverrideX509TrustManager.checkServerTrusted(IOBuffer.java:1702)
at java.base/sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted(SSLContextImpl.java:1549)
at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:638)
... 78 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:434)
... 86 more

This seems like a SSL certificate verification problem. Your server’s java need to trust the emissor of SQL’s certificate.

This may help you: How to properly import a selfsigned certificate into Java keystore that is available to all Java applications by default? - Stack Overflow

1 Like

I fixed this error. My solution is to disable encryption.

(for Keycloak Microsoft SQL Server docker-compose)

  • name: JDBC_PARAMS
    value: trustServerCertificate=false;encrypt=false

I fixed this exception (keycloak mssql kubernetes error) and i explained the solution in a blog post

1 Like